(S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde

Base Information

• Chemical Name: (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde
• CAS No.: 149298-90-8
• Molecular Formula: C₃₇H₆₆O₅Si
• Molecular Weight: 619.014
• Mol file: 149298-90-8.mol

Synonyms:(S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde

Chemical Property of (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde

There total 33 articles about (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

(R)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde (213331-05-6) → (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde (149298-90-8)

Guidance literature:

With morpholine; toluene-4-sulfonic acid; In dichloromethane; for 6h; Heating;

DOI:10.1039/a804170i

Reference yield:

(1''S,2S,2'R,3'S,5'R)-(+)-2-[Tetrahydro-5'-(1''-methoxyethyl)-3'-methylfuran-2'-yl]-2-methylethanol (103576-56-3) → (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde (149298-90-8)

Guidance literature:

Multi-step reaction with 15 steps

1: Bu₃P, pyridine

2: mcpba / CH₂Cl₂

3: 1.) n-BuLi / 1.) THF

4: NaN(TMS)2

5: AIBN / toluene

6: (i-Bu)2AlH (DIBALH)

7: DMSO, (COCl)2, Et₃N / CH₂Cl₂

8: NaClO₂

10: 1.) LDA / 1.) THF, -100 deg C, 2.) -95 deg C, 30 min

11: pyridine, DMAP

12: DBU / Ambient temperature

13: 34 percent / acetone / 0 °C / Irradiation

14: (i-Bu)2AlH (DIBALH) / toluene

15: imidazole

With pyridine; 1H-imidazole; dmap; sodium chlorite; n-butyllithium; oxalyl dichloride; 2,2'-azobis(isobutyronitrile); tributylphosphine; sodium hexamethyldisilazane; diisobutylaluminium hydride; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; 3-chloro-benzenecarboperoxoic acid; lithium diisopropyl amide; In dichloromethane; acetone; toluene;

DOI:10.1016/S0040-4039(00)60377-5

Reference yield:

(S)-2-((1R,2S,6R)-2-Hydroxymethyl-6-methyl-cyclohexyl)-propionitrile (148766-02-3) → (S)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde (149298-90-8)

Guidance literature:

Multi-step reaction with 7 steps

1: 97 percent / DMSO, (COCl)2, Et₃N / CH₂Cl₂

2: 1.) LDA / 1.) THF, -100 deg C, 2.) -95 deg C, 30 min

3: pyridine, DMAP

4: DBU / Ambient temperature

5: 34 percent / acetone / 0 °C / Irradiation

6: (i-Bu)2AlH (DIBALH) / toluene

7: imidazole

With pyridine; 1H-imidazole; dmap; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; lithium diisopropyl amide; In dichloromethane; acetone; toluene;

DOI:10.1016/S0040-4039(00)60377-5

upstream raw materials:

tert-butyldimethylsilyl chloride

(R)-2-{(1S,2S,6R)-2-[(E)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-propenyl]-6-methyl-cyclohexyl}-propionaldehyde

t-butyldimethylsiyl triflate

(Z)-3-[(1S,2S,3R)-2-((R)-1-Methoxycarbonyl-ethyl)-3-methyl-cyclohexyl]-2-((2R,3R,6S)-6-{(E)-(S)-3-[(2R,3S,5R)-5-((S)-1-methoxy-ethyl)-3-methyl-tetrahydro-furan-2-yl]-but-1-enyl}-3-methyl-tetrahydro-pyran-2-yl)-acrylic acid ethyl ester

Downstream raw materials:

tetronasin sodium salt

C₄₂H₇₂O₉Si